<template>
    <div class="icons">
      <swiper :options="swiperOption">
        <!-- slides -->
        <swiper-slide v-for="(page,index) of pages" :key="index">
          <div class="icon" v-for="item of page" :key="item.id">
            <div class="icon-img">
              <img class="icon-img-content" :src="item.imgUrl"/>
            </div>
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </swiper-slide>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    icon: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    // 解决分页展示图标问题
    pages () {
      const pages = []
      this.icon.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~styles/varibles.styl";
  @import "~styles/mixins.styl";
  .icons >>> .swiper-container
    height:0
    padding-bottom:50%
    /*overflow:hidden*/
    /*height:0*/
    /*padding-bottom:50%*/
    /*background:green*/
  .icons
    margin-top:.1rem
    .icon
      position:relative
      overflow:hidden
      float:left
      width:25%
      padding-bottom:25%
      /*background:red*/
      height:0
      .icon-img
        position:absolute
        top:0
        left:0
        right:0
        bottom:.44rem
        box-sizing:border-box
        padding:.1rem
        /*background:blue*/
        .icon-img-content
          display:block
          margin:0 auto
          height:100%
      .icon-desc
        position:absolute
        left:0
        right:0
        bottom:0
        height:.44rem
        line-height:.44rem
        text-align:center
        color:$darkTextColor
        ellipsis()
</style>
